Species: Micrasterias rotata
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Kvitblikkvannet | Nordland, Norway | 1 | 1 | 0 | 1990-09-04 | |
| Reiarsvatnet | Rogaland, Norway | 1 | 1 | 0 | 1991-09-16 | |
| Spildervatnet | Nordland, Norway | 2 | 1 | 0 | 1990-06-07 | |
| Svartaholtjørnet | Vestland, Norway | 3 | 1 | 0 | 1994-05-18 | |
| Trytetjønnet | Buskerud, Norway | 1 | 1 | 0 | 1989-09-08 | |
| Øvre Storfjordvatnet | Nordland, Norway | 1 | 1 | 0 | 1991-09-04 |